1975

7.5

1994

7.0

1958

8.0

2017

6.3

2014

7.1

1995

8.1

1991

7.1

1997

8.2

1999

7.6

2001

7.8

1984

7.2

1992

7.4

2017

6.1

1985

7.7

2006

6.6

2024

6.7

2012

4.0

2023

7.1

1965

7.8

2016

6.5